MapComplete/Models/ThemeConfig/ExtraLinkConfig.ts

import ExtraLinkConfigJson from "./Json/ExtraLinkConfigJson"
import { Translation } from "../../UI/i18n/Translation"
import Translations from "../../UI/i18n/Translations"

export default class ExtraLinkConfig {
    public readonly icon?: string
    public readonly text?: Translation
    public readonly href: string
    public readonly newTab?: false | boolean
    public readonly requirements?: Set<
        "iframe" | "no-iframe" | "welcome-message" | "no-welcome-message"
    >

    constructor(configJson: ExtraLinkConfigJson, context) {
        this.icon = configJson.icon
        this.text = Translations.T(configJson.text, "themes:" + context + ".text")
        this.href = configJson.href
        this.newTab = configJson.newTab
        this.requirements = new Set(configJson.requirements)

        for (let requirement of configJson.requirements) {
            if (this.requirements.has(<any>("no-" + requirement))) {
                throw (
                    "Conflicting requirements found for " +
                    context +
                    ".extraLink: both '" +
                    requirement +
                    "' and 'no-" +
                    requirement +
                    "' found"
                )
            }
        }

        if (this.icon === undefined && this.text === undefined) {
            throw (
                "At " +
                context +
                ".extraLink: define at least an icon or a text to show. Both are undefined, this is not allowed"
            )
        }
    }
}